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MERSEN Fuse Block: Open Block Design, 3 Pole, 250 V AC, Box Lug - Fuse Blocks for UL Class RK1 & RK5 Fuses
MERSENFuse Blocks for UL Class RK1 & RK5 Fuses

MERSEN Fuse Block: Open Block Design, 3 Pole, 250 V AC, Box Lug

SKU 3G-OTH-25128

Brand
MERSEN
Item
Fuse Block: Open Block Design, 3 Pole, 250 V AC, Box Lug
Category
Fuse Blocks for UL Class RK1 & RK5 Fuses
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Technical Specifications

MERSEN
Manufacturer Part Number
20308R
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MERSEN Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is the MERSEN 20308R fuse block used for?

The MERSEN 20308R fuse block is used to safely mount and connect UL Class RK1 and RK5 fuses in industrial electrical circuits. It is commonly applied in motor control centers, panel boards, and distribution equipment requiring 250 V AC protection. The open block design simplifies wiring and fuse replacement.

What are the specifications of the MERSEN 20308R fuse block?

The MERSEN 20308R is a 3-pole, open block design fuse block rated for 250 V AC. It uses box lug terminals and is non-indicating. This model accepts UL Class RK1 and RK5 fuses. The manufacturer part number is 20308R, and it is supplied by 3G Electric.

Where to buy the MERSEN 20308R fuse block worldwide?

You can source the MERSEN 20308R fuse block through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we provide competitive pricing and reliable supply for this MERSEN part.

How to install the MERSEN 20308R fuse block?

Install the MERSEN 20308R fuse block by mounting it on a DIN rail or panel using the provided slots. Connect incoming and outgoing conductors to the box lug terminals, ensuring proper torque per manufacturer guidelines. Insert UL Class RK1 or RK5 fuses into each pole. Always de-energize circuits before installation.

Used in

Common applications for MERSEN
Power electronics protection — MERSEN A70Q series semiconductor fuses in variable frequency drives for motor control.
Surge protection for industrial panels — MERSEN STP480D07 SPDs in three-phase 480V AC distribution boards.
Control circuit overcurrent protection — MERSEN ATM series midget fuses in PLC and instrumentation cabinets.
Power distribution in manufacturing — MERSEN FSPDB4A finger-safe blocks in motor control centers for wire management.
DC bus protection in renewable energy — MERSEN A30QS series fuses in solar inverter DC inputs.
High-voltage semiconductor protection — MERSEN A70Q series fuses in welding equipment power supplies.

MERSEN Products

3G Electric supplies MERSEN fuse blocks for ul class rk1 & rk5 fuses. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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